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Radiant|Lab Grown|IGI

2.58ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816608559

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816608559

Diamond specifications and retailer prices

From $2,502 NZD
$1,410 USD
As of October 31, 2026
Save $13,911 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,412 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.58ct lab-grown radiant diamond

This 2.58ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816608559 or 816608559. Listed at 12 retailers as of October 30, 2026, with prices from $2,502 to $16,412, a $13,911 spread on the same certified stone. Do Amore Diamonds lists it at $16,412. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.58
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608559
Dimensions9.52 × 6.76 × 4.56 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.52 mm6.76 mm2.58 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608559
Side View
Table 63.0%Crown 44.5°Girdle: Slightly ThickPavilion 33.2°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $16,412 NZD|Low: $2,502 NZD|High: $21,256 NZD|Avg: $9,589 NZD|-22.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$2,502 NZD
Retailer 6$3,417 NZD
Retailer 8$3,746 NZD
Retailer 2$3,989 NZD
Retailer 7$4,480 NZD
Retailer 4$7,646 NZD
Retailer 9$10,211 NZD
Retailer 3$11,143 NZD
Do Amore Diamonds$16,412 NZD
Retailer 10$16,849 NZD

27 data points across 10 retailers

12 retailers$2,502 NZD to $16,412 NZD

A
Cheapest Retailer
-
$2,502 NZD
$1,410 USD
Retailer 2
-
$2,963 NZD
$1,670 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$3,359 NZD
$1,893 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$3,417 NZD
$1,926 USD
View
A
Retailer 5
-
$3,746 NZD
$2,111 USD
View
Retailer 6
-
$3,989 NZD
€2,141 EUR
View
A
Retailer 7
-
$4,480 NZD
$2,525 USD
View
Retailer 8
-
$7,408 NZD
$4,175 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$7,646 NZD
£3,393 GBP
View
Retailer 10
-
$10,211 NZD
$5,755 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$11,143 NZD
$6,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-7613080EE · Oct 30
$16,412 NZD
$9,250 USD
View
11 more retailers have this diamond
Prices start from $2,502 NZDSave up to $13,911 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.58ct Radiant
$2,502 NZD